<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>ECharts</title>
    <!-- 引入 echarts.js -->
    <script src="/plugins/echarts/echarts.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>

<script type="text/javascript">
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));

    // 指定图表的配置项和数据
    option = {
        backgroundColor: '#2c343c',

        title: {
            text: 'Customized Pie',
            left: 'center',
            top: 20,
            textStyle: {
                color: '#ccc'
            }
        },

        tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
        },

        visualMap: {
            show: false,
            min: 80,
            max: 600,
            inRange: {
                colorLightness: [0, 1]
            }
        },
        series: [
            {
                name: '访问来源',
                type: 'pie',
                radius: '55%',
                center: ['50%', '50%'],
                data: [
                    {value: 335, name: '直接访问'},
                    {value: 310, name: '邮件营销'},
                    {value: 274, name: '联盟广告'},
                    {value: 235, name: '视频广告'},
                    {value: 400, name: '搜索引擎'}
                ].sort(function (a, b) { return a.value - b.value; }),
                roseType: 'radius',
                label: {
                    color: 'rgba(255, 255, 255, 0.3)'
                },
                labelLine: {
                    lineStyle: {
                        color: 'rgba(255, 255, 255, 0.3)'
                    },
                    smooth: 0.2,
                    length: 10,
                    length2: 20
                },
                itemStyle: {
                    color: '#c23531',
                    shadowBlur: 200,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                },

                animationType: 'scale',
                animationEasing: 'elasticOut',
                animationDelay: function (idx) {
                    return Math.random() * 200;
                }
            }
        ]
    };

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
</script>
</body>
</html>